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Question
Are the following numbers in proportion 32, 40, 48 and 60?
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Solution
32, 40, 48 and 60 are in proportion
if 32 : 40 = 48 : 60
if 32 × 60 = 40 × 48 .......`{"a"/"b"="c"/"d"⇒"ad"="bc"}`
if 1920 = 1920
Which is true.
32, 40, 48 and 60 are in proportion
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